source: branches/2.2.9/mindi-busybox/console-tools/setkeycodes.c @ 2142

Last change on this file since 2142 was 1765, checked in by bruno, 12 years ago

Update to busybox 1.7.2

File size: 1.0 KB
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * setkeycodes
4 *
5 * Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl>
6 *
7 * Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org>
8 *
9 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
10 */
11
12//#include <sys/ioctl.h>
13#include "libbb.h"
14
15/* From <linux/kd.h> */
16struct kbkeycode {
17    unsigned int scancode, keycode;
18};
19enum {
20    KDSETKEYCODE = 0x4B4D  /* write kernel keycode table entry */
21};
22
23int setkeycodes_main(int argc, char** argv);
24int setkeycodes_main(int argc, char** argv)
25{
26    int fd, sc;
27    struct kbkeycode a;
28
29    if (argc % 2 != 1 || argc < 2) {
30        bb_show_usage();
31    }
32
33    fd = get_console_fd();
34
35    while (argc > 2) {
36        a.keycode = xatoul_range(argv[2], 0, 127);
37        a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255);
38        if (a.scancode > 127) {
39            a.scancode -= 0xe000;
40            a.scancode += 128;
41        }
42        ioctl_or_perror_and_die(fd, KDSETKEYCODE, &a,
43            "failed to set SCANCODE %x to KEYCODE %d",
44            sc, a.keycode);
45        argc -= 2;
46        argv += 2;
47    }
48    return EXIT_SUCCESS;
49}
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